SHAPEAGF (09/28/96)

 

To run SHAPEAGF, open a DOS window, and type SHAPEAGF on the command line.

 

 

SHAPEAGF converts a ArcView shape file into an AGF file for use with

Atlas GIS. It can also be used to display information about the

shapefile or the list of current projections.

 

This form of the command displays information about the shape file. It

will display the number of features, the type of feature, the boundaries

of the file, and the items on the file.

 

SHAPEAGF [shape_file] {output_file}

 

where:

 

[shape_file] The name of the shape file to use display information

about. You must have SHP, SHX and DBF files to list. Do not

include the suffix.

 

{output_file} An optional output file to send the information about

the shape file to. If not specified the output is displayed on

the screen.

 

This form of the command displays a list of all the current projections.

 

SHAPEAGF [COORDSYS] {output_file}

 

where:

[COORDSYS] Indicates that you want to see the list of

projections (COORDinate SYStems).

 

{output_file} An optional output file to send the list of projections

to. If not specified the output is displayed on the screen.

 

This form of the command converts a shape_file an AGF file.

 

SHAPEAGF [shape_file] [afg_file] [projection] [layer_name]

[id_item] {name1_item} {name2_item}

where:

 

[shape_file] The name of the shape file to use for the conversion.

You must have SHP, SHX and DBF files to do the conversion. Do

not include the suffix.

 

[agf_file] The name of the ATLAS AGF file to create. An AGF

and AIF file will be created. Do not include the suffix.

 

[projection] What projection or coordinate system the shape file

currently is in. There are numerous choices but a list can

be obtained by using the COORDSYS option.

 

[layer_name] The name of the layer that will be created on the

AGF file. This is limited to sixteen characters and must not have

any blanks. Please note that this parameter is case sensitive.

 

[id_item] The name of the item from the shape file that will be

used as the _ID field on the AGF file.

 

{name1_item} The name of the item from the shape file that will

be used as the _NAME field on the AGF file. This parameter is

optional.

 

{name2_item} The name of the item from the shape file that will

be used as the _NAME2 field on the AGF file. This parameter is

optional.

 

Notes:

To run this command you must have a COORDSYS file (from Atlas GIS) either

in your current directory, the directory that the program is run from or

the DATUM subdirectory under the ARCEXE directory (PC ARC/INFO users).

The COORDSYS file lists all the available projections supported by ATLAS

with the necessary parameters and data. The projection parameter on the

shapeagf command line tells what projection the data already is in. It

does not do a projection during conversion. You must know the projection

of the shape file data or you will have to specify USER, USER_2, USER_4

or USER_6 projections. Labels for each polyline are calculated by finding

the longest segment of the first line of the polyline and using the

midpoint of that segment. The angle of that segment is used for the angle

for the label.

 

Labels for each region are calculated by using the centroid of the first

polygon of a region. The angle of the label is zero. SHAPEAGF will skip

any shape feature that has more than 4090 vertices. There will be a

message displayed on the screen, and the conversion process will

continue. Before you open the resulting AGF file in Atlas, please run

the GEOFIX program found in the /agisw subdirectory on the AGF file.

 

Once you open the AGF file in Atlas, the index files will be rebuilt,

and the AGF file can then be used normally.

 

 

Examples:

List information about the shape file "states"

 

SHAPEAGF STATES

 

51 Type 5 POLYGON shape records.

X Min -187.193000

Y Min 18.925000

X Max -66.952500

Y Max 71.342500

Data File Items

STATES_ID

STATE

STATE_NAME

POP_1980

POP_1990

 

This shape file has 51 polygon shape records. The bounding box of

the shape file is displayed (-187.193, 18.925, -66.9525, 71.3425)

with a list of the items (STATES_ID, STATE, STATE_NAME,

POP_1980, POP_1990).

 

List some of the projections or coordinate systems that are

available. They are listed in alphabetical order.

 

SHAPEAGF COORDSYS

AK-1 Alaska State Planes, Zone 1

AK-10 Alaska State Planes, Zone 10

AK-2 Alaska State Plane, Zone 2

AK-3 Alaska State Plane, Zone 3

AK-4 Alaska State Plane, Zone 4

..

..

WY83-E Wyoming State Plane, NAD83, Eastern Zone

WY83-EC Wyoming State Plane, NAD83, East Central Zone

WY83-W Wyoming State Plane, NAD83, Western Zone

WY83-WC Wyoming State Plane, NAD83, West Central Zone

 

Convert the shape file STATES to the AGF file USA. The projection

is lat-long. This layer will be called "States" and use the item

STATES_ID as the _ID field and STATE_NAME as the _NAME field.

 

SHAPEAGF STATES USA LL States STATES_ID STATE_NAME

 

SHAPEAGF (08/28/96)

Copyright (C) 1996 by

Environmental Systems Research Institute

380 New York Street

Redlands, CA 92373

All Rights Reserved Worldwide.

 

51 Type 5 (POLYGON) shape records in C:\ARC\SHAPEAGF\STATES

51

 

 

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